ANSWERS

1. Native bird, all other birds originated elsewhere

2. Syphilis The first recorded epidemic of syphilis in Europe broke out among French troops in 1495 - two years after Columbus returned from his first voyage across the Atlantic, prompting speculation that the disease originated in the Americas. This type of syphilis - Treponema pallidum subspecies pallidum - is spread by sexual intercourse. The troops, made up largely of mercenaries, returned to their homes and spread the disease across Europe.

3. Purple

4. Brazil - half the population is said to be either black or mixed race.

5. One - in Edinburgh zoo

6. a: a man should always talk to the woman on his left during the first course, and right during the main course.

7. c: Eight years

8. Norway

9. The United Kingdom, followed closely by the USA.

10. Fifty years